644293136

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{3929}}^1$

素因数の和:4251

約数の個数: 40

約数和(自身を含む): 1287012120

約数和(自身を除く): 642718984

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 277, 296, 554, 592, 1108, 2216, 3929, 4432, 7858, 10249, 15716, 20498, 31432, 40996, 62864, 81992, 145373, 163984, 290746, 581492, 1088333, 1162984, 2176666, 2325968, 4353332, 8706664, 17413328, 40268321, 80536642, 161073284, 322146568, 644293136]

約数ペア:

[(1, 644293136), (2, 322146568), (4, 161073284), (8, 80536642), (16, 40268321), (37, 17413328), (74, 8706664), (148, 4353332), (277, 2325968), (296, 2176666), (554, 1162984), (592, 1088333), (1108, 581492), (2216, 290746), (3929, 163984), (4432, 145373), (7858, 81992), (10249, 62864), (15716, 40996), (20498, 31432)]